20139949 is an odd 8-digits composite number following 20139948
and preceding 20139950 . In scientific notation, it is written as 2.0139949 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 19445440 positive integers (up to 20139949) that are relatively prime to 20139949.
20139949 has 4 divisors, whose sum is 20834460
The reverse of 20139949 is 94993102
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million one hundred thirty-nine thousand nine hundred forty-nine
Scientific notation
2.0139949 × 10^7
Engineering notation
2.0139949 × 10^6
Prime Factorization
29 × 694481
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20139949
Product of the distinct prime numbers
The prime factorization of 20139949 is 29 × 694481.
Since it has a total of 2 prime factors.
7 , 9 , 72 , 74 , 285 , 953 , 1980 , 556 , 69121 , 44827 , 978003 , 995615 , 1408309 , 3624508 , 75176258 , 263705 , 7040879 , 846083762 , 6142823982 , 1141871308
n×2
40279898
n×3
60419847
n×4
80559796
n×5
100699745
n÷2
10069974.5
n÷3
6713316.3333333
n÷3
5034987.25
n÷5
4027989.8
n2
405617545722601
n3
8.1691166843584E+21
n4
1.6452559339803E+29
n5
3.313537060231E+36
2 √n
4487.7554523392
3 √n
272.07342398573
4 √n
66.990711687063
5 √n
28.894266446911
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20139948
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20139949 can be divided by 4 positive divisors.
The sum of these divisors (counting 20139949) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110100111110101101
3
Ternary
1101220012211001
4
Quaternary
1030310332231
5
Quinary
20123434244
6
Senary
1555400301
8
Octal
114647655
10
Decimal
20139949
12
Duodecimal
68b3091
16
Hexadecimal
1334fad
20
Vigesimal
65h9h9
36
Base36
bzo31
md5
09b436366f0fb6a84862f0cff6934cbe
sha1
02eb84830f61737ff7a6b6b4e1fad85a0f5b2f09
sha256
85b61c4efabdd65ed408d00da5443cd761c005678476fcf7a8eb3464ab5a1f3b
sha512
937544f1fdb0f8850485dd721b3fe6189bba8472d34887035c319bfaf4b9fd6bcbab5ffde9ae3a4631bf23327f5e6a43fb98a22fdf5daaefcf9531880a064e1b
ripemd-160
6d5cdea50c453afd253c8b0dd8eaab66510c5ffa
Diameter
40279898
Circumference
126543031.64415
Area
1.2742851018092E+15
Volume
3.4218715949197E+22
Surface area
5.097140407237E+15
Circumference
126543031.64415
Perimeter
80559796
Area
405617545722601
Diagonal
28482189.021302
Surface area
2433705274335606
Volume
8.1691166843584E+21
Space diagonal
34883414.929846
Perimeter
60419847
Area
1.7563754940823E+14
Altitude
17441707.464923
Surface area
1.7563754940823E+14
Volume
9.6273963396899E+20
Height
9494063.0071008